PrimeXBT Customer Support Representative interview questions

Well, the process was divided into 4 steps, I passed the first step with HR then the second step with the English test task, and at the most important step with the "Knowledge Manager" and "Customer Support Manager" it was hard and long, but I just passed it :) They asked me to do a test task about some simulated questions and my answers to them, I actually didn't make anything up, I spent 5 hours doing it, in my opinion, just perfect! The feedback is: "Sorry, we will move with another candidate, good luck!" OK, this is weird but I wished them the best of luck and asked for quick feedback because I was simply in shock. You know what they said? ...Nothing, they didn't reply:) It's OK, I'll not give up:)